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REFERENCES

  1. Ake, T. 1978, in IAU Symposium 80: The HR Diagram, ed. A.G.D. Philip and D.S. Hayes (Dordrecht: Reidel), p. 409. 1979, Ap. J., 234, 538.
  2. Boeshaar, P.C., and Keenan, P.C. 1979, in IAU Colloquium 47: Spectral Classification of the Future, Ricerche Astronomiche 9, ed. M.F. McCarthy, A.G.D. Philip, and G.V. Coyne (Vatican City: Vatican Observatory), p. 39.
  3. Davis, D.N. 1940, Pub. A.S.P., 52, 280.
  4. Keenan, P.C. 1954, Ap. J., 120, 484. 1963, in Basic Astronomical Data, vol. 3 of Stars and Stellar Systems (Chicago: University of Chicago Press).
  5. Keenan, P.C., and Boeshaar, P.C. 1980, Ap. J. Suppl., 43, 379.
  6. Keenan, P.C., and Keller, G. 1953, Ap. J., 117, 241.
  7. Keenan, P.C., and Morgan, W.W. 1941, Ap. J., 94, 501.
  8. Luck, R.E., and Bond, H.E. 1982, Ap. J., 259, 792.
  9. Morgan, W.W. 1984, this volume.
  10. Plaskett, J.S., Harper, W.E., Young, R.K., and Plaskett, H.H. 1921, Pub. DAO Victoria, 1, 287.
  11. Scalo, J.M., and Ross, J. 1976, Astr. Ap., 48, 219.
  12. Yamashita, Y. 1972, Ann. Tokyo Astr. Obs., Ser. 2, 13, No. 3, 169.
  13. Yamashita, Y. 1975, Ann. Tokyo Astr. Obs., Ser. 2, 15, No. 1, 47.

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